MAINTAINERS: mailmap: update Benno Lossin's email address

Update Benno Lossin's email address to `@kernel.org`.

Signed-off-by: Benno Lossin <lossin@kernel.org>
Link: https://lore.kernel.org/r/20250519143952.11412-1-lossin@kernel.org
[ Fixed email in `.mailmap`. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Author: BennoLossin

.mailmap

@@ -134,6 +134,7 @@ Ben Widawsky <bwidawsk@kernel.org> <benjamin.widawsky@intel.com>
 Benjamin Poirier <benjamin.poirier@gmail.com> <bpoirier@suse.de>
 Benjamin Tissoires <bentiss@kernel.org> <benjamin.tissoires@gmail.com>
 Benjamin Tissoires <bentiss@kernel.org> <benjamin.tissoires@redhat.com>
+Benno Lossin <lossin@kernel.org> <benno.lossin@proton.me>
 Bingwu Zhang <xtex@aosc.io> <xtexchooser@duck.com>
 Bingwu Zhang <xtex@aosc.io> <xtex@xtexx.eu.org>
 Bjorn Andersson <andersson@kernel.org> <bjorn@kryo.se>

MAINTAINERS

@@ -21255,7 +21255,7 @@ M:	Alex Gaynor <alex.gaynor@gmail.com>
 R:	Boqun Feng <boqun.feng@gmail.com>
 R:	Gary Guo <gary@garyguo.net>
 R:	Björn Roy Baron <bjorn3_gh@protonmail.com>
-R:	Benno Lossin <benno.lossin@proton.me>
+R:	Benno Lossin <lossin@kernel.org>
 R:	Andreas Hindborg <a.hindborg@kernel.org>
 R:	Alice Ryhl <aliceryhl@google.com>
 R:	Trevor Gross <tmgross@umich.edu>
@@ -21285,7 +21285,7 @@ F:	rust/kernel/alloc.rs
 F:	rust/kernel/alloc/
 
 RUST [PIN-INIT]
-M:	Benno Lossin <benno.lossin@proton.me>
+M:	Benno Lossin <lossin@kernel.org>
 L:	rust-for-linux@vger.kernel.org
 S:	Maintained
 W:	https://rust-for-linux.com/pin-init